Date: Wed, 05 Jan 2011 17:56:18 +0800 From: David Xu <davidxu@freebsd.org> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: arch@freebsd.org Subject: Re: Linux kernel compatability Message-ID: <4D244042.4010004@freebsd.org> In-Reply-To: <20110105100452.16086vb1bb08xcco@webmail.leidinger.net> References: <alpine.BSF.2.00.1101031017110.1450@desktop> <20110103220153.69cf59e0@kan.dnsalias.net> <alpine.BSF.2.00.1101031859290.1450@desktop> <20110104082252.45bb5e7f@kan.dnsalias.net> <alpine.BSF.2.00.1101041030120.1450@desktop> <4D23A2CF.1010904@freebsd.org> <alpine.BSF.2.00.1101041309570.1450@desktop> <20110105100452.16086vb1bb08xcco@webmail.leidinger.net>
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Alexander Leidinger wrote: > Quoting Jeff Roberson <jroberson@jroberson.net> (from Tue, 4 Jan 2011 > 13:13:00 -1000 (HST)): > >> After this discussion I'm leaning towards leaving the layer I have in >> the ofed/ directory and leaving it tied to the version of ofed we >> currently have imported. > > To give you one more little argument in favour of this: copies in SVN > are cheap. If there is the need to have the compat shim available for > something else, it can be put into another place later. > > On a somewhat related area: now that you've done this huge compat work > you have a very good idea which parts correspond to what in the other > OS. It would be great if this could be documented somewhere (wiki?) in a > way that people which are interested to write a FreeBSD native driver > just need to have a look at some pages to be able to see what linux > stuff they have to change in which way to get a big part of the porting > covered. IMO this would also help in reviewing and verifying the > correctness of your current work (and as such would be beneficial to the > sponsors of this work), as people could see if you missed some semantic > differences or overlooked some implicit assumptions. > > Bye, > Alexander. > This is still uncertain, the patch is so large, I don't know who will review it, the person who has ability to review it must know Linux locking and OFED very well ? plus few of us are using OFED. Just like my process shared pthread mutex project, few of us are using the pshared mutex, so it seems nobody wants to make a comment.
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